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Emissions System

Is your BMW throwing emissions related codes? While we're primarily a BMW performance parts house, we understand the importance of maintaining your emissions system to pass inspection in your area and keep your check engine light off. Pick up your emissions related parts from Turner Motorsport.

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URO - Corporate Logo
T#:50031887
Part#: 13907643106
In Stock
New Item
$ 44.99 USD
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Replaces broken or failing vent valve.
Burger Motorsports - Corporate Logo
T#:49822554
Part#: BMSB58OCCFCDV
Ships on Aug 7, 2026
New Item
$ 139.00 USD
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Keep crankcase vapors in check and your intake air clean with the BMS Oil Catch Can Oil Filler Cap Dual Vent Connection Kit for the Gen2 B58. This upgrade ditches the flimsy factory venting in favor of a precision CNC-machined billet oil filler cap and dual-vent fittings engineered to handle increased crankcase pressure under boost. By diverting oil-laden vapors into a catch can instead of back through the intake, this system helps minimize carbon buildup, reduces oily contamination, and promotes more consistent performance as power levels climb. High-quality hoses and fittings ensure a secure, leak-free install that won’t collapse under pressure and maintains a clean, OE-plus appearance in the engine bay. An easy, effective upgrade for B58 enthusiasts looking for cleaner operation, improved engine longevity, and proven performance-focused design
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URO - Corporate Logo
T#:55713528
Part#: 11121025447
Ships in 2 Business Days
New Item
$ 222.99

This product was last offered at the strikethrough price on
07-08-2026

$ 219.99 USD
Free Shipping on orders $49 and up
$ 219.99 USD
Free Shipping on orders $49 and up
The URO Parts Crankcase Vent Valve Repair Kit is the smart technician's fix for the notorious BMW crankcase ventilation failures.

URO - Corporate Logo
T#:50031894
Part#: 11721433958
Ships in 2 Business Days
New Item
$ 302.99 USD
Free Shipping on orders $49 and up
If you’re dealing with emissions-related faults, the Secondary Air Injection (SAI) pump is an important component to check. This system is designed to inject fresh air into the exhaust manifold during cold starts, helping reduce harmful emissions while the catalytic converters warm up. When the SAI pump is damaged or not operating correctly, emissions can increase and fault codes may be triggered. In states that require emissions testing, a failed air pump can easily result in a failed inspection. Replacing a faulty Secondary Air Injection Pump helps restore proper emissions control, clear related fault codes, and ensure your vehicle remains compliant with emissions requirements.
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